20130032511 | APPARATUS AND PROCESSES FOR PRODUCTION OF COAL DERIVED OIL PRODUCTS - Apparatus and processes for production of coal derived oils from a mixture of pulverized coal and a coal solvent in predetermined proportions, which when agitated produces a substantially ash-free coal slurry liquid. Subsequently the coal slurry liquid is heat treated in a fractionator to produce predetermined products, and a portion of the resultant coal solvent is recovered and recycled to produce coal derived oils. | 02-07-2013 |